In aphids cornnicals are projected from the forsum of:
A.5th abdominal segment
B.6th abdominal segment
C.7th abdominal segment
D.8th abdominal segment
Category: Agriculture Entomology Mcqs
If equilibrium population level of a crop damaging insect is above the economic injury level, it is a:
A.Potential pest
B.Not a pest
C.Sporadic pest
D.Regular pest
Whorl application of granulr insecticide provides effective control measure against:
A.Spotted bollworm
B.Maize stem borer
C.Stem borer paddy
D.Mango stem borer
In solid cone nozzle the solid cone of liquid is formed due to:
A.Bigger size of the organic plate
B.Bigger size of the organic plate
C.Central hole of swirl plate
D.Small size of the strainer
Insecticide having antagonistic effect with NPV:
A.DDT
B.Aldrin
C.Endosulfan
D.Malathion
Black scale insect of citrus is controlled by:
A.Metaphycus loundsbury
B.Rodolia cardinalis
C.Both of them
D.None of them
Basic unit of classification is known:
A.Species
B.Genus
C.Family
D.Order
Giving complete coverage to one hectare of crop by spraying 60 to 250 litres of liiquids, is known as:
A.Low volume spray
B.Very low volume spray
C.Medium volume spray
D.High volume spray
Carbon disulphide control:
A.Nematodes
B.Fusarium
C.Virus
D.All of these
Fully recovered patient may develop full-grown symptoms of poisoning as long as a month after the initial poisoning in the case of:
A.DDT
B.BHC
C.Aldrin
D.Heptachlor
